Declare a prototype to get first array element as: Array.prototype.first = function { return this[0]; }; Then use it as: var array = [0, 1, 2, 3]; var first = array.first(); var _first = [0, 1, 2, 3].first(); Or …

Sep 8, 2017 · I am writing a function that will return the first n elements of an array and if n is undefined then return the first element. *Edit: I solved the problem. _.first = function(array, n) { …

The javascript slice() method returns a portion of an array into a new array object selected from start to end where start and end represent the index of items in that array. The original array …

Mar 10, 2024 · array[0] returns first element, array[array.length-1] indicates last element of an array. The Array.length property returns the length of an array. Following are Multiple ways, …

Feb 2, 2024 · Get First Array Element Using shift() in JavaScript. It is an in-built array method provided by JavaScript, which removes the first element of an array and returns the removed …

Nov 23, 2024 · Discover the top methods to efficiently retrieve the first element of an array in JavaScript, including potential pitfalls and practical examples.

Dec 5, 2021 · This post will discuss how to get the first element of an array in JavaScript. 1. Using [] operator. A simple and fairly efficient solution to fetch the first element of an array in …

Jul 16, 2024 · To get the first element of an array in JavaScript, use array indexing: This method ensures that you can quickly and easily access the first element of an array. When working …

Apr 30, 2022 · How can I return a property value for the first element in an array or 0 if there are no elements?

Aug 15, 2023 · In this in-depth guide, we’ll walk you through the concept of JavaScript Array find first element, its applications, and best practices for implementation. What is JavaScript array …